diff --git a/procs/guidance_logic.ms.sql b/procs/guidance_logic.ms.sql index 8e860c7..cc72db4 100644 --- a/procs/guidance_logic.ms.sql +++ b/procs/guidance_logic.ms.sql @@ -1,9 +1,11 @@ +-- CREATE OR ALTER FUNCTION pricing.guidance_logic; + CREATE OR ALTER FUNCTION pricing.guidance_logic( @target numeric(20,5), @last_norm numeric(20,5), @list_eff numeric(20,5), @last_date date, - @floor_pct numeric(10,5) = 0.05, + @floor_pct numeric(10,5) = 0.95, @cap_last_pct numeric(10,5) = 1.00, @cap_list_pct numeric(10,5) = 1.00 ) @@ -15,10 +17,10 @@ AS BEGIN DECLARE @base_price numeric(20,5), -- starting point (target if available, else last_norm, else list_eff) - @after_floor numeric(20,5), -- after applying floor: raised if below (1 - floor_pct) * last_norm - @after_cap_last numeric(20,5), -- after applying last cap: lowered if above cap_last_pct * last_norm - @final_price numeric(20,5), -- after applying list cap: lowered if above cap_list_pct * list_eff - @reason nvarchar(4000) = N''; -- explanation text for what rules applied + @after_floor numeric(20,5), -- base but limited to x% lower than last price + @after_cap_last numeric(20,5), -- previous step but limited to x% higher than last price + @final_price numeric(20,5), -- previous step but limited to x% higher than list price + @reason nvarchar(4000) = N''; -- logic source of price -- Early exit if nothing to work with IF @target IS NULL AND @last_norm IS NULL AND @list_eff IS NULL @@ -34,12 +36,12 @@ BEGIN SET @after_floor = @base_price; IF @last_norm IS NOT NULL SET @after_floor = ROUND( - CASE WHEN @base_price >= @last_norm*(1-@floor_pct) + CASE WHEN @base_price >= @last_norm*@floor_pct THEN @base_price - ELSE @last_norm*(1-@floor_pct) + ELSE @last_norm*@floor_pct END, 5); - -- Step 2: cap vs last_norm + -- Step 2: use price from previous step but don't allow it to be x% above last price SET @after_cap_last = @after_floor; IF @last_norm IS NOT NULL SET @after_cap_last = ROUND( @@ -48,7 +50,7 @@ BEGIN ELSE @last_norm*@cap_last_pct END, 5); - -- Step 3: cap vs list_eff + -- Step 3: use price from last step, but don't allow it to be more than x% above list price SET @final_price = @after_cap_last; IF @list_eff IS NOT NULL SET @final_price = ROUND( @@ -60,26 +62,20 @@ BEGIN -- Reason text SET @reason = CASE - WHEN @target IS NOT NULL THEN 'Using target price' - WHEN @last_norm IS NOT NULL THEN 'Using last price as base' - WHEN @list_eff IS NOT NULL THEN 'Using list price as base' + WHEN @target IS NOT NULL THEN N'Using target price' + WHEN @last_norm IS NOT NULL THEN N'Using last price as base' + WHEN @list_eff IS NOT NULL THEN N'Using list price as base' END; - IF @last_norm IS NOT NULL AND @floor_pct > 0 AND @after_floor > @base_price - SET @reason += N', floored to ' + FORMAT(@floor_pct*100,'0.##') + N'% below last price'; + IF @last_norm IS NOT NULL AND @after_floor > @base_price + SET @reason = N'Last price drop limit'; IF @last_norm IS NOT NULL AND @after_cap_last < @after_floor - SET @reason += CASE WHEN @cap_last_pct = 1 - THEN N', capped to not exceed last price' - ELSE N', capped to ' + FORMAT(@cap_last_pct*100,'0.##') + N'% of last price' - END; + SET @reason = N'Last price increase limit'; IF @list_eff IS NOT NULL AND @final_price < @after_cap_last - SET @reason += CASE WHEN @cap_list_pct = 1 - THEN N', capped to not exceed list price' - ELSE N', capped to ' + FORMAT(@cap_list_pct*100,'0.##') + N'% of list price' - END; - + SET @reason = N'List price ceiling'; + INSERT INTO @ret VALUES (@final_price, @reason); RETURN; END; diff --git a/procs/single_price_call.ms.sql b/procs/single_price_call.ms.sql index e8b9acf..d93ab69 100644 --- a/procs/single_price_call.ms.sql +++ b/procs/single_price_call.ms.sql @@ -136,6 +136,8 @@ BEGIN ------------step 6 compute guidance------------ guidance_price NUMERIC(20,5), guidance_reason NVARCHAR(MAX), + shown_price NUMERIC(20,5), + shown_logic NVARCHAR(MAX), ------------step 7 build json------------------ expl NVARCHAR(MAX), ui_json NVARCHAR(MAX) @@ -384,7 +386,7 @@ BEGIN TRY_CAST(q.listprice_eff AS NUMERIC(20,5)), TRY_CAST(q.last_date AS DATE), --allowable price drop percent - .05, + .95, --cap on last price 1.0, --cap on list percent